MCQOPTIONS
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| 1. |
The nut which has a cylindrical grooved collar at its lower end and this collar fits into a corresponding recess in the adjoining piece is named as? |
| A. | Simmond’s locknut |
| B. | Grooved nut |
| C. | Castle nut |
| D. | Sawn nut or wiles nut |
| Answer» C. Castle nut | |